Ricoh OR-C1 Field Service Manual page 407

No. Type
SBU communication error
Connection to the SBU could not be confirmed, possibly due to a defect in the
BCU detection port.
• Harness connection at IPU, BCU, SBU loose, broken, defective
• Spurious electrical noise on power supply line
• IPU defective
144 D
• BCU defective
• SBU defective
1. Replace the harness.
2. Replace the IPU.
3. Replace the SBU.
4. Replace the BCU.
No. Type
161 D IPU error
The error result of self-diagnostic by the ASIC on the BCU is detected.
• Defective BCU
001 D • Defective connection between BCU and SBU
1. Check the connection between BCU and SBU.
2. Replace the BCU.
The machine detects an error during an access to the Ri.
002 D • Defective BCU board
Replace the BCU board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call Conditions
3
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